How to cite?

APA (American Psychological Association) style

• Format: Title of web page. (Year, Month Date Accessed). Website Name. URL
• Example: Hf + N₄ = Hf₃N₄

MLA (Modern Language Association) style

• Format: 'Title of Web Page.' Website Name, Date of access, URL.
• Example: 'Hf + N₄ = Hf₃N₄

Chicago manual of style

• Format: 'Title of Web Page.' Website Name, last modified date (if available), URL.
• Example: 'Hf + N₄ = Hf₃N₄

Harward style

• Format: Title of Web Page. Website Name. Available at: URL (Accessed: Day Month Year).
• Example: Hf + N₄ = Hf₃N₄

Vancouver style

• Format: Title of web page [Internet]. Website Name [cited Year Month Day]. Available from: URL.
• Example: Hf + N₄ = Hf₃N₄